What Does Color Rendering Index Mean?

Answer Color rendering index (CRI) refers to a measurement scale that rates an artificial light's ability to accurately illuminate colors. High CRI numbers indicate a better ability to display colors. ... Read More »

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What does index fossil mean?

According to the U.S. Geological Survey, index fossils are fossils which came from species that existed for a limited (and known) period of time. Because geologists know when these creatures existe... Read More »

What does the stock market index mean?

A stock market index refers to the performance of a group of stocks that represents a sector of the economy. Some popular indices include the Dow Jones Industrial Average and the Nasdaq-100 Index.S... Read More »

What does the asterisk mean on the psat index?

An asterisk by the PSAT index means you are not eligible for the National Merit Scholarship competition. Eligibility requirements include being a US citizen in your junior year with plans to enter ... Read More »

What does the financial term stock index mean?

A stock index measures a portfolio of securities representing a particular market or a portion of it. The Standard & Poor's 500 (S&P 500) is one of the world's best known indexes, and is the most c... Read More »